Cosette  

, コゼット

One of Lizelotte's maids has been working as her chamberlain and personal bodyguard since an unknown time. She is known among her colleagues for being skilled at analyzing people and extracting advantageous conditions from Rikka firm customers with whom she makes deals. After witnessing Rio's battle at the end of volume 6, this maid began to try to close the gap between herself and him, with dating Rio as her ultimate goal. However, all of her efforts so far have been unsuccessful, serving only for comedic purposes.